Question

If a train of 350 m crosses an electric pole in 35 s, its speed in km/h is (a) 48 km/h (b) 60 km/h (c) 36 km/h (d) 40 km/h​

Answer 1

Answer:

45 km per hour

Step-by-step explanation:

Speed =distance /time;

Speed =350/28;

=12.5 m/sec;

Now in km/ hr =12.5*3600/1000*10;

45 km per hour

Answer 2

Answer:

(c)

Step-by-step explanation:

Distance = 350m

Time = 35s

Speed in km/h = (350/35) × (18/5)

=2 × 18 = 36 km/h

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